<template>
  <view>
	<view class="cart_container" v-if="cart.length !==0">
    <my-address />
		<!-- 商品列表的标题区域 -->
    <view class="cart-title">
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 右侧的文本 -->
      <text class="cart-title-text">购物车</text>
    </view>
  
    <uni-swipe-action>
          <block v-for="goods,i in cart" :key="i">
      <uni-swipe-action-item :options="options" @click="swipeItemClickHandler(goods)">
        <!-- 循环渲染购物车中的商品信息 -->
          <my-goods :goods="goods" :show-radio="true" :show-num = "true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
      </uni-swipe-action-item>
        </block>
    </uni-swipe-action>
    
    <!-- 这是自定义结算组件 -->
    <my-settle />
    <!--  空白购物车的区域-->
   
	</view>
  <view class="empty-cart" v-else>
    <image src="../../static/cart_empty@2x.png"  class="empty-img"></image>
    <text class="tip-text">空空如也</text>
  </view>
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  import {mapState,mapMutations} from 'vuex'
	export default {
   mixins:[badgeMix],
   computed:{
     ...mapState('m_cart',['cart'])
   },
		data() {
			return {
				options:[{
          text:'删除',
           style:{
            backgroundColor:"#C00000"
             }
        }],
       
			};
		},
   methods:{
     ...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
     radioChangeHandler(e){
       this.updateGoodsState(e)
     },
     numberChangeHandler(e){
     this.updateGoodsCount(e)
     },
     swipeItemClickHandler(goods){
      this.removeGoodsById(goods.goods_id)
     }
   }
	}
</script>

<style lang="scss">
  .cart_container{
    padding-bottom: 50px;
    }
.cart-title{
  height: 40px;
  display: flex;
  align-items: center;//纵向上居中对齐
  padding-left: 5px;
  border-bottom: 1px solid #EFEFEF;
  .cart-title-text{
    font-size: 14px;
    margin-left: 10px;
  }
}
.empty-cart{
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;
  .empty-img{
    width: 90px;
    height: 90px;
  }
  .tip-text{
    font-size: 12px;
    color: gray;
    margin-top: 15px;
  }
}
</style>
